APA (7 वां संस्करण) प्रशस्ति पत्र

Holl, S., Pallasmaa, J., & Pérez Gómez, A. (2006). Questions of perception: Phenomenology of architecture ([New ed.].). William Stout.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Holl, Steven, Juhani Pallasmaa, और Alberto Pérez Gómez. Questions of Perception: Phenomenology of Architecture. [New ed.]. San Francisco, CA: William Stout, 2006.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Holl, Steven, et al. Questions of Perception: Phenomenology of Architecture. [New ed.]. William Stout, 2006.